Authorized Users are those individuals officially affiliated with the Smithsonian Institution, registered library patrons serving in the capacity of full or part time employees, fellows, interns, individuals under contract, and other registered patrons who are assigned to an authorized Smithsonian site. Non SI affiliated library users may access SIL purchased electronic resources only when they are using terminals physically located in the library.

Interlibrary Loan Terms:

One article at a time may be printed and the print copies delivered by mail or fax to fulfill interlibrary loan requests from academic, research or other non- commercial libraries.